ONLINE HELP
 WINDEVWEBDEV AND WINDEV MOBILE

Version: 2025

HWrite (Function)
Writes a record into a data file without updating the indexes corresponding to all keys used in the file.
SQLChangeConnection (Function)
Modifies the current connection.
HReadSeekFirst (Function)
Sets the position on the first record whose value for a specific item is strictly equal to a sought value (exact-match search).
WDConver : Use in command line mode
Using WDConver in command line mode consists in running a conversion description created and saved with WDConver ("......
Project description: Files tab
The project description window allows you to configure various elements of your project......
<Source>.ListLink (Function)
Returns the list of links (Merise type) found in the current analysis or in a specific analysis.
HCancelDeclaration (Example)
Usage example of the HCancelDeclaration function
HDescribeItem (Example)
Usage example of the HDescribeItem function
HPrepareSQLQuery (Function)
Initializes a query written in SQL language and declares this query to the database server in order to optimize the next executions of this query.
HCreationIfNotFound (Example)
Usage example of the HCreationIfNotFound function
HRead (Function)
Reads a record in a file according to a given record number.
HExecuteSQLQueryAsynchronous (Function)
Executes an SQL query asynchronously.
Mathematical SQL functions
The mathematical SQL functions that can be used on the queries written in SQL code are as follows......
HSeekFirst (Function)
Positions on the first file record whose value for a specific item is greater than or equal to a sought value.
HPrevious (Function)
Positions on the previous file record according to a browse item.
Assisted universal replication through programming
The assisted replication through programming is used to implement a replication on an existing application while controlling the synchronization in the application itself......
HMode (Function)
Changes the mode and the method for locking data files.
HExecuteSQLQuery (Function)
Initializes a query written in SQL language and declares this query to the HFSQL engine.
HReadPrevious (Function)
Sets the position on the previous record of a file according to a browse item.
HSavePosition (Function)
Stores the current file context: current record, filter, pointers.
HTransactionRollbackToSavepoint (Function)
Rolls the transaction back to the savepoint.
HTransactionSavepoint (Function)
Declares a transaction savepoint.
HTransactionCancel (Function)
If a transaction is in progress, cancels all the operations performed on the data files in transaction since the start of transaction.
Warning 18: Loop without potential end
Null (keyword)
The "Null" keyword can correspond to: